
SKF N3055 cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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Decoding SKF N3055
- N 30Series
- Cylindrical roller bearings, N 30 series. Series differ in outside diameter and width even when the bore is the same.
- 55Bore
- Bore 275 mm (55 × 5).
N 3055 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF N3055 belongs to cylindrical roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for N3055 and any equivalents.
For equipment that must handle substantial radial forces at speed, SKF N series cylindrical roller bearings are a common choice. The cylindrical rolling elements and steel cage support precise, lasting operation in tough industrial settings. Machine tools, pumps, compressors and gearboxes are typical examples where high radial rigidity and load capacity are needed. MR Industrial Accessories LLC supplies these bearings as part of its SKF line and can help you select the correct size.
The series code starts with N, followed by a two-digit size identifier. For instance, N 00, N 03, N 04, N 05, N 06, N 07, N 08 and N 09 each represent a different set of dimensions. That number is not a direct measurement; it is a reference tied to bore diameter and outer dimensions. To pin down the exact size, check the product tables or ask for technical support. Any additional suffixes denote design variations, such as cage type, tolerance class or heat treatment.
These bearings appear in many sectors, including metallurgy, food processing, petrochemical and power generation. You will find them in conveyor systems, mills, mixers, industrial fans and machine tools. Their capacity for heavy radial loads and their stiffness suit applications where deep groove ball bearings would fall short. Gearboxes and power transmission systems also rely on them.
When choosing an N series bearing, consider the radial load, operating speed and ambient conditions. Check whether the bearing is open or has protective plates, as sealing options matter. Use the proper tools for mounting and ensure precise alignment to prevent extra stress. Follow the manufacturer's lubrication recommendation and set internal clearance to match the application. Poor mounting can shorten bearing life.
For interchangeability, SKF N series cylindrical roller bearings can be replaced by other brands that use the same designation and dimensions. However, tolerances and specific features may differ between manufacturers. We suggest consulting our technical team to confirm compatibility. MR Industrial Accessories LLC supplies SKF bearings to meet expected quality and performance.
To request an N series bearing, send the full code via WhatsApp. Our team can guide you to the right size and the complementary components your equipment requires.
Dimensions
- Bore
- 275mm
Frequently asked questions
- What does the designation N 00, N 03, etc. mean?
- The letter N indicates an N series cylindrical roller bearing. The following number is a size code linked to the bearing dimensions. For exact measurements, consult the technical tables or request assistance.
- Are they interchangeable with bearings from other brands?
- In general, N series cylindrical roller bearings from different brands with the same designation and dimensions can be interchanged. But tolerances and materials may vary, so we recommend verifying with our technical team.
- How should I mount and lubricate these bearings?
- Mounting must be done with suitable tools, ensuring correct alignment. Lubrication must be the one recommended by the manufacturer, and internal clearance must be appropriate for the application. Incorrect mounting can reduce the bearing's service life.

